How Can Diarrhea With Stool Pus Cells Which Persist Be Treated?

Hi Doc..My daughter is 7 & half months old is suffering from mild diarrhea(have toilet 3 to 4 times a day) since last month. Her stool has tested and found pus cell range is 2-3. Doctor advice the following medicine ... Cporx Ds Syp, Zink Syp. & Rice salain ..Already 6 days left but still her toilet not stopped ( Still having toilet 2 to 3 times a day). I don t know what happened.. Can i have your suggestions in this regard please...